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1. |
Determine the slope of the line that passes through (2, 2) and (5, 8). |
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A. |
2 |
B. |
 |
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C. |
-2 |
D. |
 |
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Hint |
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2. |
The graph of a linear function is _______. |
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A. |
a straight line |
B. |
None of these is correct |
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C. |
a horizontal line only |
D. |
a curved line |
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Hint |
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3. |
The graph of y = -4x2 - 1 is _____. |
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A. |
None of these is correct. |
B. |
a circle |
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C. |
a straight line |
D. |
a parabola |
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Hint |
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4. |
Which characteristic describes a graph that is linear and has direct variation. |
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A. |
The graph does not pass through (0, 0). |
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B. |
The equation has the form y = mx + b. |
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C. |
The equation has the form y = mx. |
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D. |
Variables x and y are not proportional. |
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Hint |
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5. |
Find the graph that does not have direct variation. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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6. |
Find the situation that is linear but does not have direct variation. |
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A. |
At the beginning of the summer, Dina had $0 in the bank. She started a job and deposited $10 per week. |
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B. |
At the beginning of the summer, Dina had $200 in the bank. She withdrew $30 to buy a new pair of shorts. |
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C. |
At the beginning of the summer, Dina had $200 in the bank. She started a job and deposited $10 per week. |
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D. |
At the beginning of the summer, Dina had $0 in the bank. She earned $50 mowing lawns the previous week and deposited the money in the bank. |
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Hint |
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7. |
Find the graph that is nonlinear. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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8. |
Find the table that represents a graph with direct variation. |
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A. |
 |
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B. |
 |
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C. |
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D. |
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Hint |
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9. |
What is the equation of a line that has a slope of 3 and passes through (–4, –3)? |
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A. |
y = 3x – 3 |
B. |
y = 3x + 3 |
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C. |
y = 3x + 9 |
D. |
y = 3x – 9 |
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Hint |
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10. |
Find the graph of y = x2. |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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11. |
Which way does the graph of y = –2x2 open? |
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A. |
up |
B. |
right |
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C. |
left |
D. |
down |
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Hint |
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12. |
Which table shows a quadratic relationship? |
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A. |
 |
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B. |
 |
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C. |
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D. |
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Hint |
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13. |
What is the lowest point on the graph of y = x2 + 2? |
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A. |
(2, 0) |
B. |
(0, 2) |
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C. |
(0, 0) |
D. |
(0, –2) |
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Hint |
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14. |
Describe the location of the line of symmetry of the graph of y = x2 – 2. |
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A. |
the line y = x |
B. |
the vertical axis |
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C. |
there is no line of symmetry |
D. |
the horizontal axis |
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Hint |
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15. |
Which equation is in the same family as y = x2? |
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A. |
y = x3 – 3 |
B. |
y = 2x2 – 3 |
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C. |
y = 2x – 3 |
D. |
y = x2 – 3 |
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Hint |
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16. |
Find the equation of the graph below. |
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A. |
y = x2 + 3 |
B. |
y = (x + 3)2 |
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C. |
y = (x - 3)2 |
D. |
y = x2 – 3 |
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Hint |
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17. |
Two friends are playing catch with a baseball. The ball's flight can be modeled by the equation y = 1 + 0.6x – 0.08x2, in meters. What is the height of the ball at its highest point? |
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A. |
18.8 m |
B. |
1 m |
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C. |
3.78 m |
D. |
2.13 m |
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Hint |
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18. |
What is the reciprocal of ? |
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A. |
 |
B. |
 |
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C. |
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D. |
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Hint |
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19. |
Find which equation does not represent a reciprocal relationship. |
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A. |
 |
B. |
 |
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C. |
ab = 3 |
D. |
–6 = ef |
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Hint |
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20. |
Find the values for m and n which the conjecture (m – n)2 = m2 – n2 is false. |
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A. |
m = 1, n = 2 |
B. |
m = –2, n = 0 |
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C. |
m = 1, n = 1 |
D. |
m = 1, n = 0 |
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Hint |
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